//----------------------------------------------------------------------------------------------------------------------
// Copyright (c) 2012 James Whitworth
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the \"Software\"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//----------------------------------------------------------------------------------------------------------------------

//----------------------------------------------------------------------------------------------------------------------
// Describes the body of a function for code generation
//----------------------------------------------------------------------------------------------------------------------
class FunctionBody extends CodeGenerator
{
  contents = null

  constructor()
  {
    name = null
    flags = null

    contents = array(0)
  }

  // FunctionBodys never use flags
  //
  function has_flags(_flags)
  {
    return false
  }

  // FunctionBodys can never be templated
  //
  function is_templated()
  {
    return false
  }

  // Write the function contents as part of a function definition.
  //
  function write_definition(stream)
  {
    local line_count = contents.len()

    stream.indent()

    if (line_count > 0)
    {
      local i = 0
      for (; i != line_count; ++i)
      {
        stream.new_line()
        if (contents[i].len() > 0)
        {
          stream.write(contents[i])
        }
      }
    }

    stream.outdent()
    stream.new_line()
  }

  // Add a line of code to the function body.
  //
  function add_line(formatstr, ...)
  {
    local str = vformat(formatstr, vargv)
    contents.append(str)
  }

  // Add a new line to the function body.
  //
  function add_new_line()
  {
    contents.append("")
  }
}